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📚 Statistics with Technology 2e
Chapters ▾
1 Statistical Basics2 Graphical Descriptions of Data3 Examining the Evidence Using Graphs and Statistics4 Probability5 Discrete Probability Distributions6 Continuous Probability Distributions7 One-Sample Inference8 Estimation9 Two-Sample Inference10 Regression and Correlation11 Chi-Square and ANOVA Tests12 Appendix: Critical Value Tables

Chapter 9: Two-Sample Inference

There are times you want to test a claim about two population proportions or construct a confidence interval estimate of the difference between two population proportions. As with all other hypothesis tests and confidence intervals, the process is the same though the formulas and assumptions are different.